From time to time, Cambium Networks provides access to beta releases of its software to customers who join the Open Beta program. You can find the list of currently active Beta programs at https://support.cambiumnetworks.com/beta.
Discussion of Beta releases happens on this community site, in categories that are restricted to people who have accepted the Terms and Conditions of the Open Beta program. The following links will take you to the appropriate Beta discussion board, prompting you to accept the Terms and Conditions if you haven’t already:
Note that each of these is a separate program; joining one of them does not automatically give you access to the others.